Sample preparation instrument



FIG. 1 is a perspective view of a sample preparation instrument in accordance with the present invention.

FIG. 2 is a front view of the sample preparation instrument of FIG. 1.

FIG. 3 is a rear view of the sample preparation instrument of FIG. 1.

FIG. 4 is a right side view of the sample preparation instrument of FIG. 1.

FIG. 5 is a left side view of the sample preparation instrument of FIG. 1.

FIG. 6 is a top view of the sample preparation instrument of FIG. 1; and,

FIG. 7 is a bottom view of the sample preparation instrument of FIG. 1.

In the drawings, broken lines depict portions of the sample preparation instrument that form no part of the claimed design. 

CLAIM The ornamental design for a sample preparation instrument, as shown and described. 